-/* Definitions of target machine for GNU compiler. Iris version 5.
- Copyright (C) 1993, 1995, 1996, 1998 Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler. IRIX version 5.
+ Copyright (C) 1993, 1995, 1996, 1998, 2000,
+ 2001, 2002, 2003, 2004, 2007, 2010 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT MASK_ABICALLS
+#ifdef IRIX_USING_GNU_LD
+#define IRIX_SUBTARGET_LINK_SPEC "-melf32bsmip"
+#else
+#define IRIX_SUBTARGET_LINK_SPEC "-_SYSTYPE_SVR4"
#endif
-#define ABICALLS_ASM_OP ".option pic2"
-#include "mips/iris3.h"
-#include "mips/mips.h"
-#include "mips/iris4.h"
-
-/* Irix 5 doesn't use COFF, so disable special COFF handling in collect2.c. */
-#undef OBJECT_FORMAT_COFF
-
-/* ??? This is correct, but not very useful, because there is no file that
- uses this macro. */
-/* ??? The best way to handle global constructors under ELF is to use .init
- and .fini sections. Unfortunately, there is apparently no way to get
- the Irix 5.x (x <= 2) assembler to create these sections. So we instead
- use collect. The linker can create these sections via -init and -fini
- options, but using this would require modifying how crtstuff works, and
- I will leave that for another time (or someone else). */
-#define OBJECT_FORMAT_ELF
-#define HAS_INIT_SECTION
-#define LD_INIT_SWITCH "-init"
-#define LD_FINI_SWITCH "-fini"
-
-/* The linker needs a space after "-o". */
-#define SWITCHES_NEED_SPACES "o"
-
-/* Specify wchar_t types. */
-#undef WCHAR_TYPE
-#undef WCHAR_TYPE_SIZE
-#undef MAX_WCHAR_TYPE_SIZE
-
-#define WCHAR_TYPE "long int"
-#define WCHAR_TYPE_SIZE LONG_TYPE_SIZE
-#define MAX_WCHAR_TYPE_SIZE MAX_LONG_TYPE_SIZE
-
-#define WORD_SWITCH_TAKES_ARG(STR) \
- (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
- || !strcmp (STR, "rpath"))
-
-#undef SUBTARGET_CC1_SPEC
-#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
-
-/* ??? _MIPS_SIM and _MIPS_SZPTR should eventually depend on options when
- options for them exist. */
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
- "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
- -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
- -D_MIPS_SIM=_MIPS_SIM_ABI32 -D_MIPS_SZPTR=32 \
- -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
-
-#undef SUBTARGET_CPP_SPEC
-#define SUBTARGET_CPP_SPEC "\
-%{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE -D_LONGLONG} \
-%{!mfp64: -D_MIPS_FPSET=16}%{mfp64: -D_MIPS_FPSET=32} \
-%{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
-%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
-%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
-%{!mips1: %{!mips2: %{!mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS1}}} \
-%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
-%{!mlong64: -D_MIPS_SZLONG=32}%{mlong64: -D_MIPS_SZLONG=64}"
-
-#undef LINK_SPEC
-#define LINK_SPEC "\
-%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
-%{bestGnum} %{shared} %{non_shared} \
-%{call_shared} %{no_archive} %{exact_version} \
-%{static: -non_shared} \
-%{!static: \
- %{!shared:%{!non_shared:%{!call_shared: -call_shared -no_unresolved}}}} \
-%{rpath} \
--_SYSTYPE_SVR4"
-
-/* We now support shared libraries. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
%{!static: \
%{static: \
%{pg:gcrt1.o%s} \
%{!pg:%{p:/usr/lib/nonshared/mcrt1.o%s libprof1.a%s} \
- %{!p:/usr/lib/nonshared/crt1.o%s}}}"
+ %{!p:/usr/lib/nonshared/crt1.o%s}}} \
+irix-crti.o%s crtbegin.o%s"
#undef LIB_SPEC
#define LIB_SPEC "%{!shared:%{p:-lprof1} %{pg:-lprof1} -lc}"
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "%{!shared:crtn.o%s}"
-
-/* We do not want to run mips-tfile! */
-#undef ASM_FINAL_SPEC
+/* Avoid getting two warnings for libgcc.a everytime we link. */
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC \
+ SUBTARGET_DONT_WARN_UNUSED_SPEC " -lgcc " SUBTARGET_WARN_UNUSED_SPEC
-/* The system header files are C++ aware. */
-/* ??? Unfortunately, most but not all of the headers are C++ aware.
- Specifically, curses.h is not, and as a consequence, defining this
- used to prevent libg++ building. This is no longer the case so
- define it again to prevent other problems, e.g. with getopt in
- unistd.h. We still need some way to fix just those files that need
- fixing. */
-#define NO_IMPLICIT_EXTERN_C 1
-
-/* We don't support debugging info for now. */
-#undef DBX_DEBUGGING_INFO
-#undef SDB_DEBUGGING_INFO
-#undef MIPS_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
-
-/* Likewise, the assembler doesn't handle DWARF2 directives. */
-#define DWARF2_UNWIND_INFO 0
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend.o%s irix-crtn.o%s %{!shared:crtn.o%s}"
#undef MACHINE_TYPE
#define MACHINE_TYPE "SGI running IRIX 5.x"
-
- /* Dollar signs are OK in Irix5 but not in Irix3. */
-#undef DOLLARS_IN_IDENTIFIERS
-#undef NO_DOLLAR_IN_LABEL
-
-/* -G is incompatible with -KPIC which is the default, so only allow objects
- in the small data section if the user explicitly asks for it. */
-#undef MIPS_DEFAULT_GVALUE
-#define MIPS_DEFAULT_GVALUE 0
-
-/* In Irix 5, we must output a `.global name .text' directive for every used
- but undefined function. If we don't, the linker may perform an optimization
- (skipping over the insns that set $gp) when it is unsafe. This is used
- indirectly by ASM_OUTPUT_EXTERNAL. */
-#define ASM_OUTPUT_UNDEF_FUNCTION(FILE, NAME) \
-do { \
- fputs ("\t.globl ", FILE); \
- assemble_name (FILE, NAME); \
- fputs (" .text\n", FILE); \
-} while (0)
-
-/* Also do this for libcalls. */
-#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
- mips_output_external_libcall (FILE, XSTR (FUN, 0))
-
-/* This does for functions what ASM_DECLARE_OBJECT_NAME does for variables.
- This is used indirectly by ASM_OUTPUT_EXTERNAL. */
-#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
-do { \
- tree name_tree = get_identifier (NAME); \
- TREE_ASM_WRITTEN (name_tree) = 1; \
-} while (0)
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